Finding the Fourth Proportional to 73,974.88, 110,990.26 and 44,413.32
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Solution
The fourth proportional to 73,974.88, 110,990.26 and 44,413.32 is: 66,636.75
Step by Step Solution
- Step 1: Write the proportion equation
73,974.88 : 110,990.26 = 44,413.32 : x - Step 2: Convert to fraction form
73,974.88/110,990.26 = 44,413.32/x - Step 3: Cross multiply
73,974.88x = 110,990.26 × 44,413.32 - Step 4: Simplify right side
73,974.88x = 4,929,445,934.26 - Step 5: Solve for x
x = 4,929,445,934.26/73,974.88 - Step 6: Final answer
x = 66,636.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.